If three squares are selected at random from chessboard, then the probability that they form the letter ''L'' is

If three square are selected at random from chess board. then the probability that they form the letter 'L' is (a) 196/(64C_3) (b) 49/(64C_3) (c) 36/(64C_3) (d) 98/(64C_3)

Two squares are chosen at random on a chessboard, the probability that they have a side in common is:

Out of 200 students from a school, 135 like Kabbaddi and the remaining students do not like the game. If one student is selected at random from all the students, find the probability that the student doesn't like kabbaddi.

In Class XI of a school 40 % of the students study Mathematies and Biology. If a student is selected at random from the class, find the probability that he will be studying Mathemetics or Biology.

A box contains 3 blue, 2 white, and 4 red marbles. If a marble is selected at random from the box, what is the probability that it will be (i) white? (ii) blue? (iii) red?

Two integers are selected at random from integers 1 to 11. If the sum is even, find the probability that both the numbers are odd.

A three-digit number is selected at random from the set of all three-digit numbers. The probability that the number selected has all the three digits same is 1//9 b. 1//10 c. 1//50 d. 1//100